Method isalnumat

text-to-qr/lib/phpqrcode/phpqrcode.php:1994–2000

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($str, $pos)

        
        //----------------------------------------------------------------------
        public static function isalnumat($str, $pos)
        {
            if ($pos >= strlen($str))
                return false;
                
            return (QRinput::lookAnTable(ord($str[$pos])) >= 0);
        }

        //----------------------------------------------------------------------
        public function identifyMode($pos)